APA (American Psychological Association) is mostly used by the social sciences (Education, Psychology, Sciences), Business and Nursing. Citation styles are often updated; this content is specific to APA, Seventh Edition.
Below are examples of both in-text citation (those that appear within the actual paper) as well as reference citations (those that appear at the end of your paper and connect to the in-text citations). More examples of APA in-text and reference citations can be seen in this example paper written by CMU professor of Kinesiology Dr. Elizabeth Sharp: Required and Non-Required College Physical Activity Classes Effect on College Students' Stress
Example of in-text citation and a direct quote:
Example of in-text citation and a paraphrase:
Example of reference citations: